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nata0808 [166]
3 years ago
7

I need help with #15

Mathematics
1 answer:
gladu [14]3 years ago
8 0
15.  MP(5,11)    S(3,5)   M(x,y)

(3+x)/2 = 5  x=7

(5+y)/2 =-11  y=-27

M(7,-27) is the other point
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